package com.itheima.userdemo.mapper;

import com.itheima.userdemo.pojo.User;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;

public interface UserMapper {
    @Select("select * from tb_user " +
            "where username = #{username} and password = #{password}")
    User select(@Param("username") String username,
                @Param("password") String password);

    @Select("select * from tb_user where username = #{username}")
    User selectByUsername(String username);

    @Insert("insert into tb_user(username, password) values (#{username},#{password})")
    Integer add(User user);
}
